Silvia Giamanco, a native of Brazil and world ranked triathlete, has launched a Brazilian fitness attire line in San Diego. A long time personal trainer and owner of Vai Fitness and Spa (vaifitness.com) , Silvia wanted to bring the sexiness,

Cardio exercise is such a strange thing. In theory, it should work perfectly well for all men and women, but as anyone who has tried it knows, the practicality of it just doesn't add up. After all, some men and